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137790001554 = 23157146273887
BaseRepresentation
bin1000000001010011101…
…1001001000110010010
3111011122211012022210220
42000110323021012102
54224143220022204
6143144433533510
712645364455102
oct2002473110622
9434584168726
10137790001554
1153488955647
1222855714296
13ccbba6c6ca
146951d0b202
1538b6bcc1d9
hex2014ec9192

137790001554 has 16 divisors (see below), whose sum is σ = 277335291648. Its totient is φ = 45637452432.

The previous prime is 137790001549. The next prime is 137790001571. The reversal of 137790001554 is 455100097731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73136002 + ... + 73137885.

It is an arithmetic number, because the mean of its divisors is an integer number (17333455728).

Almost surely, 2137790001554 is an apocalyptic number.

137790001554 is an abundant number, since it is smaller than the sum of its proper divisors (139545290094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137790001554 is a wasteful number, since it uses less digits than its factorization.

137790001554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146274049.

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 137790001554 in words is "one hundred thirty-seven billion, seven hundred ninety million, one thousand, five hundred fifty-four".

Divisors: 1 2 3 6 157 314 471 942 146273887 292547774 438821661 877643322 22965000259 45930000518 68895000777 137790001554